1. The Prehistory of the New Guinea Highlands;Bulmer;American Anthropologist,1964
2. The Ecology of Highland Settlement: Some Suggestions;Brookfield;American Anthropologist,1964
3. From Hunting to Horticulture in the New Guinea Highlands;Watson;Ethnology,1965
4. From Extensive to Intensive Cultivation: A Succession from New Guinea;Clarke;Ethnology,1966
5. Digging-sticks, spades, hoes, axes and adzes of the Kuman people in the Bismarck Mountains of East-Central New Guinea;Nilles;Anthropos,1942